# auxdevel.am -- Makefile snippet to be included in Makefile.am for projects
# making use of auxdevel.m4
#
# This file appends data to many Make variables.  It would be an error to append
# to an undefined variable.  However, if you're using auxdevel.m4, it takes care
# of that by defining the variables used here with empty values.
#
# This file set some flags in AM_CFLAGS and LDADD.  Be careful that these global
# variables will be overwritten by target-specific _CFLAGS and _LDADD/_LIBADD.


# Global flags
AM_CFLAGS += -I$(csourcedir) $(if $(headerdir), -I$(headerdir),)
AM_CFLAGS += $(ac_devel_default_warnings)

if LCOV
AM_CFLAGS += -fprofile-arcs -ftest-coverage
MOSTLYCLEANFILES += *.bb *.bbg *.gcno
CLEANFILES += *.da *.gcda *.lcov
endif

# Documentation
docs:
	mkdir -p docs
clean-docs:
	rm -rf docs
clean-local: clean-docs

doc: doxygen lcov
DOXYOUT=docs/doxygen
doxygen: docs Doxyfile
	mkdir -p $(DOXYOUT)
	(cat Doxyfile; echo "OUTPUT_DIRECTORY = " \"$(DOXYOUT)\" ) \
	| doxygen -

if LCOV
LCOVOUT=docs/lcov-reports
LCOVLOG=docs/lcov_log.txt

# TODO: the first sed regexp is due to a gcov/lcov bug which adds a
# trailing build/ in the path to source.  This should be better investigated.
#
# TODO: the second sed regexp removes "..".  It would be best if we could do that
# in auxdevel.m4.
#
# TODO: for GCOV reasons a symlink pointing to $(csourcedir) is needed when
# building in a directory outside of $(sourcedir) even thought we remove
# the trailing build/ from pathnames.
#
lcov: docs $(TESTS)
	@[ ! -e $$(basename $(csourcedir)) ] && ln -s $(csourcedir) . || true
	@( \
	rm -f .lcov_test_run_error; \
	for test in $(TESTS); do \
		lcov --zerocounters --directory . --quiet ;\
		\
		(./$$test 2>&1 || touch .lcov_test_run_error) \
		| grep -E -v '^arc profiling: Can.t open output file' \
		| grep -E -v '(Electric Fence.*Bruce Perens|^$$)' ;\
		\
		lcov --capture --directory . \
		--output-file $$test-info.lcov \
		--test-name "$$test (check)" --quiet ;\
		\
		for testdir in "$(abs_utestdir)" "$(abs_mytestdir)" $(lcov_ignore_dirs); do \
			test "$$testdir" && lcov --remove $$test-info.lcov \
			"$$testdir*" \
			--quiet -o $$test-info.lcov ;\
		done ;\
		sed --in-place  \
		-e "/^SF:/s;$(ac_devel_abs_builddir);$(ac_devel_abs_srcdir);" \
		$$test-info.lcov ;\
	done ;\
	genhtml *.lcov --output-directory=$(LCOVOUT) \
	| grep 'Overall coverage rate' ) | tee $(LCOVLOG)
	@[ -L $$(basename $(csourcedir)) ] && rm $$(basename $(csourcedir)) || true
	@[ ! -f .lcov_test_run_error ]
else
lcov: ;
endif

.PHONY: doc doxygen lcov